#!/bin/sh

total_time=0
while read line
do
	utime=$(echo $line| cut -d " " -f 14)
	stime=$(echo $line| cut -d " " -f 15)
	total_time=$((total_time + utime + stime))
	[ $utime -gt 0 ] && echo $line
done

echo "total_time: $total_time"
